Motion picture camera



L. GOLDHAMMER MOTION PICTURE CAMERA Fil ed Dec. 10, 1938 Dec, 21, 1940.

Inventor v Leo fioldhammer By His Al forneyyg aessnssr'lmf Y 232 ,9713

M QTION PICTURE CAMERA Leo Goldhammcr, Munich. Germany, assignor. by

means assignments, to General Aniline a l 'ilm ggporation, New York, N. I a corporation of r P um'rso STATES PATENT. OFFICE Application December 10, 1938. Serial No. 245,008

In Germany December 11, 1937 i 14 m (01. ss-u) My present invention relates to a motion plcspool-1a and the take-up spool 2b. The him 3 ture camera having film guiding members which passes fromthe supply spool In over the toothed are automatically closed. film feeding roller 4 by loop to the film window The motion picture cameras hitherto known 5 and from there by a further loop again over 6 which are provided with a roller adapted to feed the roller 4 to the take-up spool 11). The pads the him from the supply spool towards the pic- 0 which press the him on the roller 4 and the film ture window as well as from this window towards gate I which presses the film on the picture winthe take-up spool, with a film gate which autodow i are kept in the opened position against the matically closes itself and pads which automatiaction of a spring I by a'latch l of spring mate- ,10 cally press the film against the said roller are rial. secured at one end to the casing by pin la. disadvantageous since the user must thread the and normally sprung outwardly from the adiaiilm over the teeth of the said roller by hand. cent wall of the casing. By pressing inwardly on placing each perforation upon its appropriate thepin Be on the free end of said latch, the nose tooth, must provide the necessary .loops of iiim lb of the latch 9 releases the lever la onwhich 15 andmust pay attention that the feeding claws the free ends 6b of the arms la of the pads 0 15 engage the perforations of the film correctly. are pressed by the spring 1. In-this manner the An object of my invention is to provide means 'fllm gate 1 carried on the lever'la, and the presfor'facilitating the insertion of the film in the sure pads 6 are automatically closed by the tenguiding and feeding members of the motion picsion of the spring I. a I I ture camera; On the'insideof the cover ll of the casing 15 Another object of this invention is to provide there are arranged plates Ii and I2, spring a motionpicture camera having a cover for the pre s n adapted ri he fllmdn c10 4 camera casing with pressure plates or pins which the cover, into the correct lateral position (see v in closing the cover on the casing, first place the Figure 2) before the cover at Ila releases the j film in correct lateral position and only then latch 8 by pressing the release in to and per release the device for keeping the film gate and mitting the pressure pads 8 and the film gate I the pressure pads in operative closed relation to close. v with respectto the film. Y The bigger pressure plate ll, subjected to the A further object of the invention is the maction of the spring Ila, is arranged opposite vision of a cover for-the casing with several the transporting roller 5, and the two smaller spring pressed plates, one big 4 pressure plate pressure plates i2, subjected to the action of the thereof being arranged opposite the said film spring 12', are positioned opposite the portion feed roller, one small plate above the picture of the film band which is above and below the window and another small plate below the picture window 5; Furthermore, it has been a window. c found to be of advantage to provide the row of a still further object of the invention is to teeth is only on one side of the feeding roller l. provide a film feed roller with a single row of In accordance with the invention the operator teeth which sumces to transport the film satis-' need no lon er te i y thread the film over the factorilyc The engaging of the perforations of transporting teeth, but he has merely to place him by the teeth is moreover facilitated if a the film. before closing the cover of the casing,'40 merely unilateral row of teeth is arranged. between the pressure pads and the feeding roller Other objects and advantages of my present on the one hand and between the film gate and "invention are apparent from the following dethe picture window on the other hand, providing scription, the accompanying drawing and the theusual slack loops. All further manual adsubioined claims. iustments are taken over by the device above I A preferred embodiment of my invention is described. represented in-the drawing of which: I claim:

Figure l is a side elevational view of the mo- 1. In a motion picture camera, a casing being ticn picture camera, the cover of the casing being formed with an opening therein, a cover movable open; g e to a position wherein it closes said opening, a W

, Figure 2 is a top view of the camera showing magazine arranged in said casing andcontain- -the cover of the casing openeda little, the .to ing a spindle adapted to receive a supply reel wall being partially broken away. b and a second spindle adapted to receive a take- In the motion picture camera I there is arup reel, a picture window, a film gate adapted N ranged a magazine: which carries the supply to press the film on said window. a toothed roller rect lateral position in closing said cover before said cover releases said means.

2. In a motion picture camera, a casing being formed with an opening therein, a cover movable to a position wherein it closes said opening, a magazine arranged in said casing and containing a spindle adapted to receive a supply reel and a second spindle adapted to receive a takeup reel, a picture window, a film gate adapted to press the film onsaid window, a toothed roller adapted to feed thefilm from said first spindle towards said window as well as from said window towards said second spindle, pads adapted to press the film on said roller, means for keeping said gate and said pads open, means engageable by the cover when the same is moved to closed position for releasing said means, and three plates spring pressed and arranged on the inside of said cover and adapted to bring the film into the correctlateral position in closing saidcover before said cover releases said means, one of said pressure plates being placed opposite said roller and adapted to control the position of the film above and below said roller, the two other pressure plates being positioned above and below said window and adapted to. control the position of the film near said window.

3. In a motion picture camera; a casing being formed with an opening therein, a cover movable to a position wherein it closes said opening, a magazine arranged in said casing and containing a spindle adapted to receive a supply reel and a second spindle adapted to receive a takeup reel, a picture window, a film gate adapted to press the film on said window, a toothed roller adapted to feed the film from said first spindle towards said window as well as from said window towards said second spindle, pads adapted to press the film on said roller, a spring latch adapted to keep said gate and said pads open, means engageable by the cover when the same is moved to closed position for releasing said latch, and three plates spring pressed and arranged on the inside of said .cover and adapted to bring the film into the correct lateral position in closing said cover before said cover releases said latch, one of said pressure plates being placed opposite said roller and adapted to control the position of the film above and below said roller, the two other pressure plates being posito control the position of the film near said window.

4. In a motion picture camera, a casing being formed with an opening therein, a cover movable to a position wherein it closes said opening, a magazine arranged in said casing and contain,- ing a spindle adapted to receive a supply reel and a second spindle adapted to receive a takeup reel, a picture window, a film gate adapted to, press the film on said window, a roller carrying a row of teeth on one side and adapted to feed the film from said first spindle towards said window as well as from said window towards said second spindle, pads adapted to press the film on said roller, a spring latch adapted to keep said gate and said pads open, means engaseable by the cover when the same is moved to closed position for releasing said latch, and three plates spring pressed and arranged on the inside of said cover and adapted to bring the film into the correct lateral position in closing said coverbefore said cover releases said latch, one of said pressure plates being placed opposite said roller and adapted to control the position of the film above and below said roller, the two other pressure plates being positioned above and below said window and adapted to controithe position of the illm near said window.

5. In a motion picture camera having a casing and a cover therefor, a film movmg member and a movable film gate, spring means normally urging said gate to closed position, a latch for holding said gate open, and means on said latch engageable'by said cover, when the same is moved to casing closing position, for releasing said gate and permitting it to close, said cover also having spring plates thereon, engageable with the edge of the film for positioning and guiding the same with respect to said gate.

6. In a motion picture'camera having a casing and a cover therefor, a film moving member and a movable film gate, spring means normally urging said gate to closed position, a latch for holding said gate open,'and means on said latch engageable by said cover, when the same is moved to casing closing position, for releasing said gate and permitting it to close, said cover also having spring plates thereon, engageable with the edge of the film for positioning and guiding the same with respect to said gate and said member.

7. In a motion picture camera having a casing and a cover therefor, a film moving member and a movable film gate, spring means normally urging said gate to closed position, a latch for holding said gate open, and means on said latch engageable by said cover, when the same is moved to casing closing position, for releasing said gate and permitting it to close, said cover also having spring plates thereon, engas sble with the edge of the film for positioning and guiding the same with respect to said gate, the release of said gate timed after said plates engage the 8. In a motion picture camera having a casing and a cover therefor, a film moving member, spring pressed presser pads normally urged into engagement withthe film on said member, a latch in said casing for holding said pads away from said member, and means on said latch engageable by said cover, whenthe same is moved to casing closing position, for releasing said pads and permitting them to close against the film on said member.

9. In a motion picture camera having a casing and a cover therefor, a film moving member,

spring pressed presser pads normally urged into engagement with the film on said member, a latch in said casing for holding said pads away from. said member, and means on said latch engageable by said cover, when the same is moved to casing closing position, for releasing said pads and permitting them to close against the film on" i said member, said cover also having a spring plate thereon, engageable with the edge of the film for positioning and guiding the same with respect to said member.

10. In a motion picture camera having a casing and a cover therefor, a film moving member, spring pressed presser pads normally urged into engagement with the'film on said member, a

, from said member, and means on saidlatch engageable by said cover, when the same is moved to casing closing position, for releasing said pads and permitting them to close against the film on said member, said cover also having a spring plate thereon, engageable with the edge of the film for positioning and guiding the same with respect to said member, the release of said spring presser pads being timed after said plate engages the film.

11. In a motion picture camera having a casing and a cover therefor, a film moving member and a movable film gate, presser pads engageable with the film on said member, spring means for normally urging said gate to closed position and said presser pads toward said member, a movable latch for holding said spring means ineffec-' tive when said cover is open, and means actuated by the closing of said cover, for releasing said for engaging the edge of the film adjacent said member and gate. l

12. In a motion picture camera having a casing and a cover therefor, a film moving member and a movable film gate, presser pads engageable with the film on said member, spring means for normally urging said gate to closed position and said presser pads toward said member, a movable latch ior holding said spring means ineflective when said coveris open, and means actuated by the closing of said cover, for releasing said latch and spring film guiding plates on said cover for engaging the edge of the film adjacent said member and gate, the release of said latch being timed after said film guiding plates have engaged the film. f

13. In a motion picture camera having a casing and a cover therefor, a film moving member, a

pair of pivoted arms carrying presser pads at one end and engageable with the film on said member, a spring connecting said arms and normally urging said pads toward said member, said arms having extended free ends, a lever pivoted in said casing and carrying a film gate,

the free ends of said arms engaging said lever and adapted, under the influence said spring to normally urge saidlever to gate closing position, a latch in said casing engageable with said lever for holding said pads and gate in open position against the tension 0! said spring, and

means on said latch engageable with said cover when the latter is moved to closed position, for releasing said latch and permitting said pads and gate to close.

14. In a motion picture camera having a casing and a cover therefor, a film moving member, a

K pair of pivoted arms carrying presser pads at i one end and engageable with the film on said latch and spring film guiding plates on said cover member, a spring connecting said arms and normally urging said pads toward said member,

' said arms having extended free ends, a lever pivoted in said casing and carrying a film gate,

the freeends of said arms engaging said lever and adapted, under the influence of said spring to normally urge said lever to gate closing position, a latch in said casing engageable with said lever for holding said pads and gate in open position against the tension of said spring, and means on said latch engageable with said cover. when the latter is moved to closed position, for releasing said latch and permitting said pads and gate to close and film guiding and positioning plates on said cover, engageable with the edge oi the film just prior to the release of said latch by the cover.

, LEO GOLD 

